package com.qk.mapper;

import com.qk.entity.Course;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface CourseMapper {


    List<Course> list(String name, Integer subject, Integer target);

    @Delete("delete from course where id=#{id}")
    void deleteById(Integer id);

    @Insert("insert into course(name,subject,price,target,description,create_time,update_time) values" +
    "(#{name},#{subject},#{price},#{target},#{description},#{createTime},#{updateTime})")
    void insert(Course course);

    @Select("select id, name, subject, price, target, description, create_time, update_time from course where id= #{id}")
    Course selectById(Integer id);

    void update(Course course);

    @Select("select id, name, subject, price, target, description, create_time, update_time from course order by update_time desc")
    List<Course> getAllList();


    List<Course> getBySubject(Integer subject);
}
